4042232111 has 4 divisors (see below), whose sum is σ = 4042727832. Its totient is φ = 4041736392.

The previous prime is 4042232059. The next prime is 4042232113. The reversal of 4042232111 is 1112322404.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4042232111 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4042232113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 235421 + ... + 252006.

It is an arithmetic number, because the mean of its divisors is an integer number (1010681958).

Almost surely, 2^4042232111 is an apocalyptic number.

4042232111 is a deficient number, since it is larger than the sum of its proper divisors (495721).

4042232111 is an equidigital number, since it uses as much as digits as its factorization.

4042232111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 495720.

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 4042232111 is about 63578.5507148441. The cubic root of 4042232111 is about 1592.9681134180.

Adding to 4042232111 its reverse (1112322404), we get a palindrome (5154554515).

The spelling of 4042232111 in words is "four billion, forty-two million, two hundred thirty-two thousand, one hundred eleven".